145 AD Lucius Aurelius Cassio, one of the richest and most influential men in Rome, is the victim of a conspiracy. In the heart of his own home, four masked assassins hit him with their dagger. Nearly two thousand years later, the investigation begins. Archaeologist Ornella Grazzi discovers parchments from Cassio's hand. She seeks, page after page, to reveal the faces of the four murderers. And soon, a strange, powerful figure slowly emerges from the past. Cassio. His death. And his revenge.